code: def _test_but_private(self, a=0, b=0, c=0):
      del a, b, c
      self.fail()
  
file_path: tensorflow/tensorflow/python/framework/test_combinations_test.py
imports: from collections import OrderedDict
  from absl.testing import parameterized
  from tensorflow.python.framework import test_combinations
  from tensorflow.python.eager import test
label_desc: Use image node_id 4 for calling the CombineTheTestSuite obj's underlying member method code with example usage: obj._test_but_private(a, b, c) without return types